.loading {
  background-image: linear-gradient(0, #e1e1e1, #e1e1e1 50%, transparent 50%);
  background-position: 100% 100%;
  background-size: 100% 1px;
  background-repeat: no-repeat;
  text-align: center;
  height: 45px;
  color: #666;
  font-size: 14px;
}

.loading__img {
  vertical-align: middle;
  margin-right: 5px;
  width: 20px;
  height: 20px;
  display: inline-block;
  background-image: url();
  background-repeat: no-repeat;
  background-position: -1px 0;
  background-size: contain;
  transform-origin: center center;
  animation-name: loading;
  animation-duration: 1.2s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

@keyframes loading {
  0% {
    -webkit-transform: rotate(0);
  }
  50% {
    -webkit-transform: rotate(180deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
  }
}
